Seiko Cal. 4571 - 956

The 4571-956 is a sought-after Solar piece from Seiko's golden era. Powered by the 4571 caliber with 25j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-3bb980453c91]

Also known as: Sumo, Silverwave

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1968

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